You have found the unit you want: a double-wing expandable container house that folds onto a container footprint and opens into about 36 square meters of finished living space. Then the project moves to Ireland, and the questions change. Not "does the unit work" - it does - but what changes between the factory gate in China and a site on the west coast of Ireland: the climate it has to shrug off, the ground you put it on, the paperwork that lets it through the port and past local building control, and the real shape of the landed cost. Those are the four things this article walks through, one by one.
The short answer: the house itself travels finished and factory-fixed. What adapts to Ireland is everything around it - the insulation and sealing specification you confirm for a damp maritime climate, the foundation you prepare on Irish ground, the import and planning paperwork you clear before delivery, and the freight-and-compliance side of your budget. None of these are reasons to avoid the product; they are the difference between a quote and a working project. See the expandable container house range for the base specifications.
The double-wing expandable unit folds to roughly 5,900 × 2,200 × 2,480 mm and opens on site to about 5,900 × 6,300 mm of floor area - some 36 m² with bedroom, kitchen, living and bathroom zones. Two folded units load into one 40HC container, which is what keeps the ocean freight per habitable module down on the long haul to Europe. On site it opens with minimal labor; there is no panel-by-panel assembly line of the kind a flat-pack system needs.
The structural package is fixed at the factory too: a fully galvanized steel frame (the platform standard uses 80 × 80 × 3.0 mm roof beams and 100 × 100 × 3.0 mm floor structure), roof drainage built into the structure, folded and interlocked panel edges, and weather-resistant sealing strips at the folding joints. Products carry EU CE marking, and the manufacturing sites run ISO 9001, ISO 14001 and ISO 45001 systems. For an Irish buyer, the practical meaning is this: the parts most likely to leak or rust are engineered and inspected before the unit is packed, not negotiated with local trades after arrival.
Ireland is a damp, windy, maritime climate, and it is not the climate the unit was displayed in. None of the adaptations below are exotic - they are specification choices you make at order time.
Insulation cores come in options such as EPS and rock wool, and thickness is specified per climate. For Ireland, the conversation is not only about winter cold but about wind-driven rain and humidity - the conditions where roof drainage, edge hemming and sealing strips earn their keep. Ask for the insulation specification in writing for your climate band rather than accepting a display default, and treat the sealing strip material and replaceability as part of the same conversation (our guide to preventing condensation in modular units explains the vapor side of this).
These units are built for light foundations - graded ground with concrete pads or steel bases - not poured basements. What changes in Ireland is ground conditions: soft agricultural soil, high water tables and frost lines all argue for a proper pad design by someone who has seen your site. Our foundation and site preparation guide covers what to prepare before the truck arrives.
Two layers of paperwork sit between the factory and your site. The first is import: EU customs treatment, duty classification and VAT - rates change and depend on how the goods are classified, so confirm the current figures with your customs broker rather than trusting any article, including this one. Our import walkthrough lists the documents to expect. The second is local: planning permission and building control in Ireland depend on what the unit is, where it sits and how long it stays. A resort cabin and a dwelling are treated differently, and temporary placement is treated differently from permanent - so put this question to your local authority or agent early, not after the container lands.
A folded unit travels on a standard container chassis, but the last mile in rural Ireland - narrow lanes, soft shoulders, gate widths - is a road-transport question, not a factory one. Confirm crane or lifting arrangements for offloading, and walk the route with your haulier before delivery day. None of this is unique to imports; it is unique to your site.
| Item | Fixed at the factory | You confirm for Ireland |
| Structure | Galvanized frame, folded dimensions, 2 units per 40HC | Nothing - spec is set |
| Water protection | Roof drainage, hemmed edges, sealing strips | Strip material and replaceability in writing |
| Insulation | Core options (EPS / rock wool), install quality | Thickness and vapor handling for the climate |
| Ground | Pad or steel-base requirement defined | Pad design for your soil and frost line |
| Compliance | EU CE marking, ISO-certified production | Customs/VAT figures; planning and building control |
| Delivery | Container loading plan, lifting points | Last-mile route, crane or offload method |
High-density workforce camps are the wrong job for this product: when you need twenty identical rooms, a flat-pack system that stacks and combines will beat two-units-per-40HC on freight and layout flexibility. Projects that relocate every few months are a folding-house job, not an expandable one. And if your requirement is permanent, code-tested housing stock, then modular may only be a bridge - the local planning conversation will tell you early, which is exactly why it belongs at the start of the project, not the end.
We will not quote you a number in an article, because honest numbers depend on your specification and the freight market. What we can do is show you the parts of the sum, so you can interrogate any quote:
For a deeper worked example of this logic on a 20ft two-bedroom unit, see our price breakdown, and for the framework applied to another market, the Australia buying guide walks the same factory-to-site path.
Q: Do expandable container houses need planning permission in Ireland? A: It depends on what the unit is used for, where it sits on the property, and how long it stays - exempted development thresholds exist, but they are specific, and a dwelling is not treated like a garden room. Confirm with your local authority or a planning agent before ordering; this article deliberately does not guess the rules for you.
Q: Are they warm enough for an Irish winter? A: With the insulation specification matched to the climate - core and thickness confirmed at order time - yes, and the factory's condensation-control measures (moisture-proof film, sealed joints) matter as much as raw insulation thickness in a damp climate. Ask for the specification in writing.
Q: How many units fit in a container? A: The 20ft double-wing unit folds to about 5,900 × 2,200 × 2,480 mm, and two folded units load into one 40HC container. Larger 30ft and 40ft variants load differently - ask for the loading plan per your model.
Q: What about wind ratings? A: The platform's published wind rating (typhoon grade 10) is verified for the flat-pack product line; equivalent published figures for the expandable unit are not available, so we will not invent them. If your site is exposed, make wind load a written specification question at order time.
Q: Can we see real delivered projects? A: Yes. Wanbang's delivery record includes a 150-unit camp for a power transmission project in the Atacama Desert, Chile, and workforce camps across Europe, Africa, Southeast Asia and the Middle East. Ask for references in a climate similar to yours.
Related reading: What Is an Expandable Container House? | How to Import Container Houses from China: From Inquiry to On-Site Installation | Send us your site brief - we will quote against your actual specification.
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